Re: [PATCH v2 2/4] KVM: x86/mmu: Fix RCU usage when atomically zapping SPTEs

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Subject: Re: [PATCH v2 2/4] KVM: x86/mmu: Fix RCU usage when atomically zapping SPTEs
From: Sean Christopherson <seanjc@xxxxxxxxxx>
Date: Mon, 15 Mar 2021 15:26:06 -0700
Cc: linux-kernel@xxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Peter Shier <pshier@xxxxxxxxxx>, Jim Mattson <jmattson@xxxxxxxxxx>, kernel test robot <lkp@xxxxxxxxx>
In-reply-to: <20210315182643.2437374-3-bgardon@google.com>
References: <20210315182643.2437374-1-bgardon@google.com> <20210315182643.2437374-3-bgardon@google.com>

On Mon, Mar 15, 2021, Ben Gardon wrote:
> Fix a missing rcu_dereference in tdp_mmu_zap_spte_atomic.
> 
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Signed-off-by: Ben Gardon <bgardon@xxxxxxxxxx>
> ---

Reviewed-by: Sean Christopherson <seanjc@xxxxxxxxxx>

References:
- [PATCH v2 0/4] Fix RCU warnings in TDP MMU
  - From: Ben Gardon
- [PATCH v2 2/4] KVM: x86/mmu: Fix RCU usage when atomically zapping SPTEs
  - From: Ben Gardon

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